DSPIC33FJ64MC506AT-I/MR - 16-bit DSC, 40 MIPS, 64KB Flash | Microchip
MPN: DSPIC33FJ64MC506AT-I/MR ✓ Hoạt độngDSPIC33FJ64MC506AT-I/MR Tóm tắt
A digital signal controller (DSC) is a single-chip device that merges the computational power of a digital signal processor with the peripheral integration and control-oriented architecture of a microcontroller. Within the power management hierarchy of embedded systems, DSCs occupy the tier above general-purpose MCUs for control loops, sitting below multi-core application processors. The dsPIC33F family from Microchip implements a modified Harvard, 16-bit RISC architecture with DSP instructions, making it a mainstream choice for real-time control.
Key features of this device include a 40 MIPS instruction throughput, 64KB (64K x 8) of self-programmable FLASH, 8KB of data RAM, 11 timers, 8 DMA channels, and 4 serial I/O ports for flexible connectivity. These peripherals allow complex control and signal-processing tasks, such as multi-channel motor control and sensor fusion, to be handled without external logic.
The architecture pairs the 16-bit CPU core with dedicated DSP engine hardware supporting multiply-accumulate operations, which is essential for control-law execution such as field-oriented control of PMSM and brushless DC motors. The A-variant silicon integrates the enhanced feature set of the dsPIC33FJ64MC506A family while retaining seamless migration paths to PIC24 MCUs and dsPIC30F DSCs in similar packages.
Typical applications include brushless DC motor drives, single- and 3-phase induction motor control, switched reluctance motor systems, uninterruptible power supplies, and digital power conversion, where deterministic interrupt latency and DSP throughput are required.
Designers should note the 3.0V to 3.6V supply range and the -40C to +85C industrial temperature rating of the I suffix; the exposed-pad QFN requires a solid ground connection for thermal and electrical performance.
This page synthesizes distributor availability, drop-in same-package alternatives, and practical design notes not consolidated in the manufacturer datasheet, with pricing referenced as of 2026-09-27.
Bộ thay thế dễ dàng lắp đặt cho DSPIC33FJ64MC506AT-I/MR — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với DSPIC33FJ64MC506AT-I/MR (cùng hình factor và footprint) — khác nhau ở Core Architecture, Package, Operating Temperature, Core, Supply Voltage.
DSPIC33FJ64MC506AT-E/MR
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33FJ64MC506A-I/MR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC33FJ64MC506-I/MR
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33FJ128MC506A-I/MR
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →DSPIC33FJ256MC506A-I/MR
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33FJ64MC506AT-I/MR Tỷ lệ tối đa & tính chất điện
| Core | dsPIC33FJ 16-bit |
| Core Architecture | Modified Harvard, RISC with DSP engine |
| Tần số xung maksimum | 40 MHz |
| Performance | 40 MIPS |
| Program Memory Size | 64 KB (64K x 8) FLASH |
| Data RAM Size | 8 kB |
| Điện áp cung cấp | 3 V to 3.6 V (3.3 V nominal) |
| Nhiệt độ hoạt động | -40C to +85C |
| Timers | 11 |
| DMA Channels | 8 |
| Serial I/O Ports | 4 |
| Hộp | 64-VFQFN (9x9 mm) Exposed Pad |
| Kiểu lắp đặt | Surface Mount |
| Packaging | Tape & Reel (T/R) |
| Trạng thái RoHS | ROHS3 Compliant |
| Core Operating Voltage Class | 3.3 V |
| Program Memory Width | 8-bit |
Hướng dẫn cấu hình chân DSPIC33FJ64MC506AT-I/MR 64-vfqfn (9x9 mm) exposed pad
Cấu hình chân cho DSPIC33FJ64MC506AT-I/MR (64-vfqfn (9x9 mm) exposed pad gói). IC số này bao gồm chân GPIO, giao diện truyền thông (UART, SPI, I2C) và chân nguồn. Tham khảo tài liệu thông số kỹ thuật của nhà sản xuất để biết các chức năng chân thay thế và tùy chọn cấu hình. Cực kỳ quan trọng cho thiết kế hệ thống tích hợp và lập trình PCB.
Không có dữ liệu chân cụ thể sẵn có cho DSPIC33FJ64MC506AT-I/MR.
Tham khảo: tài liệu kỹ thuật cho cấu hình chân đầy đủ.
Ứng dụng tiêu biểu
DSPIC33FJ64MC506AT-I/MR phù hợp cho 6 Áp dụngs: Brushless DC Motor Control, Single- and 3-Phase Induction Motor Drives, Switched Reluctance Motor Systems, Uninterruptible Power Supplies (UPS), Industrial Automation and Robotics, Digital Power Conversion.
Brushless DC Motor Control
The DSPIC33FJ64MC506AT-I/MR is purpose-built for brushless DC motor drives: its 40 MIPS 16-bit DSP core executes field-oriented control (FOC) inner current loops fast enough for 20 kHz PWM switching, while dedicated motor-control PWM peripherals generate complementary outputs with programmable dead time. The 8 DMA channels move ADC conversion results to RAM without CPU intervention, keeping loop jitter minimal. In a typical BLDC drive, the DSC reads phase currents through its high-speed ADC, runs PI or PR control laws using DSP multiply-accumulate instructions, and updates PWM duty each cycle. Firmware capacity of 64KB FLASH accommodates commutation, communication (CAN/UART), and protection state machines concurrently.
Được đề xuất
Single- and 3-Phase Induction Motor Drives
According to the Microchip product page, the dsPIC33FJ64MC506A family directly supports single- and 3-phase induction motor control. The DSPIC33FJ64MC506AT-I/MR provides the computational headroom for V/f and sensorless vector control schemes, with 40 MIPS enabling slip-compensation calculations each PWM period. Its 11 timers provide time bases for PWM generation, tachometer capture, and task scheduling simultaneously. Three-phase inverter designs benefit from the 64-pin package's abundant PWM outputs and serial ports for host communication. The 8KB RAM buffers current/voltage sampling arrays for FFT-based diagnostics, while DMA offloads the ADC data path so the CPU core remains dedicated to the control algorithm.
Được đề xuất
Switched Reluctance Motor Systems
Switched reluctance motor (SRM) drives require precise, per-phase current chopping and rotor-position inference from inductance signatures, both of which suit the DSPIC33FJ64MC506AT-I/MR. The device's 40 MIPS DSP core evaluates per-phase inductance from sampled current and voltage in real time, eliminating position sensors. Its motor-control PWM module supports independent half-bridge operation needed by asymmetric SRM converters. The 64KB FLASH holds commutation tables plus adaptive control firmware, and 8 DMA channels sustain the high ADC sampling rates inductance estimation demands. Microchip lists SRM explicitly among the supported applications of this family, with reference firmware available through its motor control libraries.
Được đề xuất
Uninterruptible Power Supplies (UPS)
The dsPIC33F Motor Control family is described by Microchip as well-suited for uninterruptible power supplies. In an online double-conversion UPS, the DSPIC33FJ64MC506AT-I/MR generates the inverter SPWM waveform, synchronizes output phase and frequency to the mains via zero-crossing capture on timer inputs, and manages battery charging state machines concurrently. The 40 MIPS core performs true-RMS metering and harmonic compensation using its DSP engine, while 4 serial ports handle front-panel, host, and battery-management communication. 64KB FLASH stores waveform tables and event logs across transfers, and the industrial -40C to +85C rating suits telecom outdoor cabinets.
Được đề xuất
Industrial Automation and Robotics
In factory automation nodes, the DSPIC33FJ64MC506AT-I/MR consolidates motion control, sensing, and networking into one 16-bit controller. Its 4 serial I/O ports implement UART, SPI, and I2C links to drives, encoders, and HMIs, while timers capture quadrature encoder feedback. The 40 MIPS throughput runs cascaded position/velocity/current loops plus protocol stacks simultaneously, and the 8 DMA channels keep serial I/O and ADC sampling off the CPU. The 64-pin VQFN provides enough general-purpose I/O for limit switches, safety interlocks, and relay drivers. Industrial -40C to +85C qualification and ROHS3 compliance make it deployable across standard factory floor environments.
Được đề xuất
Digital Power Conversion
The DSPIC33FJ64MC506AT-I/MR serves in digitally controlled AC-DC and DC-DC converters where the control law is too complex for hardwired PWM controllers. Its fast ADC and DMA path sample output voltage and inductor current at the switching frequency, and the DSP engine implements nonlinear or adaptive compensation not feasible in analog loops. The 64KB FLASH stores multiple operating profiles (constant-voltage, constant-current, foldback) switchable at runtime, and serial ports provide PMBus-like telemetry to a system host. Designers should budget CPU load carefully at switching rates above 200 kHz, or pair this DSC with the dsPIC33FJ GS-series SMPS parts dedicated to high-frequency power stages.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho DSPIC33FJ64MC506AT-I/MR — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | DSPIC33FJ64MC506AT-E/MR | DSPIC33FJ64MC506A-I/MR | DSPIC33FJ128MC506A-I/MR | DSPIC33FJ256MC506A-I/MR |
|---|---|---|---|---|---|
| Package | 64-VQFN (9x9 mm) Exposed Pad | 64-VQFN (9x9) - same | 64-VQFN (9x9) - same | 64-VQFN (9x9) - same | 64-VQFN (9x9) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (FLASH) | 64 KB | 64 KB | 64 KB | 128 KB | 256 KB |
| Performance | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| Operating Temperature | -40C to +85C | -40C to +125C | -40C to +85C | -40C to +85C | -40C to +85C |
| Supply Voltage | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V |
Bảo phân biệt quan trọng
- Industrial temperature grade at standard cost (vsDSPIC33FJ64MC506AT-E/MR)
- Tape-and-reel for automated assembly (vsDSPIC33FJ64MC506A-I/MR)
- Cost-optimized 64KB FLASH point in the family (vsDSPIC33FJ256MC506A-I/MR)
- Complete motor-control peripheral set on 40 MIPS core (vsDSPIC33FJ32MC202-I/SP (28-pin siblings))
Ghi chú thiết kế
The 64-VQFN 9x9 mm package has a center exposed pad that must be soldered to a stitched ground plane. Use a 3x3 or 4x4 via array under the pad connected to the ground pour to reduce thermal resistance and ground inductance. Follow the QFN land pattern in the Microchip datasheet with solder-mask-defined pads; do not make the center pad stencil fully solid - a 50-70% coverage pattern prevents solder voids and floating during reflow.
Decouple every VDD pin pair with 0.1uF X7R ceramic capacitors placed within 2 mm of the pins, plus a single 4.7-10uF bulk capacitor near the device. The 3.0-3.6V supply should deliver at least 250 mA headroom for peak dynamic current at 40 MIPS. Estimated: at 3.3V with typical active current in the tens of mA, a low-ESR LDO such as the MCP1755 or a 3.3V buck output with good transient response is sufficient for most motor control boards.
Program the configuration registers (FOSC, FWDT, FPOR) deliberately in code - POR defaults may leave the device on the internal FRC oscillator rather than the intended PLL at 40 MIPS. Verify the PLL feedback divider so VCO stays within the datasheet range. Also confirm you are using the A-family errata sheet: the dsPIC33FJ64MC506 has a published errata document, and A-variant silicon fixes several peripherals - always compile against the latest device support in MPLAB X.
In motor drive designs, route the motor-control PWM outputs away from analog sensing traces feeding the ADC pins, and place an RC anti-aliasing filter (e.g., 1 kΩ / 1 nF, corner near 160 kHz) ahead of each current-sense input. Keep the high-di/dt inverter gate-driver loops physically separated from the DSC ground, and use the exposed pad as the single low-impedance return to star-ground the analog and digital domains.
Thông tin tuân thủ
ROHS3 compliant per distributor data (full-electronic.com listing). REACH, halogen-free, and conflict minerals declarations not stated in provided data - obtain from Microchip environmental documentation.
